Path Traversal in Samsung Galaxy Store

CVE-2026-21001

Path traversal in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Samsung Galaxy_store
Samsung Mobile Galaxy Store — versions 4.6.03.8

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

George0Papasotiriou/CVE-2026-21001-WebAssembly-Linear-Memory-OOB-via-Table-Index-Confusion

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21001?: CVE-2026-21001 is a medium-severity vulnerability in Samsung Galaxy Store, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-03-16.
How severe is CVE-2026-21001?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2026-21001 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.